182results about How to "Won't disturb" patented technology

The invention discloses a hotel safety management system and method based on artificial intelligence. The safety management system at least comprises a hotel reservation system, an information collection system, a hotel management system, an intelligent entrance guard management control system, a face detection recognition system, a database storage system, and a center sever; various systems arecommunicated with the center server; furthermore, the system further comprises a visitor management system. The intelligent entrance guard is divided into public entrance guard systems at an elevator,the stair and like locations and a guest room entrance guard system; each of the public entrance guard systems and the guest room entrance guard system at least comprises a processing server and an embedded equipment terminal; the embedded equipment terminals are fixed beside the entrance guard and used for collecting the information and controlling the entrance guard to be on and off; and the processing servers are used for performing matching comparison recognition on a photo uploaded by the terminals. Through the method disclosed by the invention, the face information collection at the hotel entrance guard region and the intelligent video monitoring at the hotel public region are combined, and the method is aided by the visitor management system, thereby realizing the comprehensive artificial intelligence hotel safety management with high concealment.

The invention relates to a resin coating device which is used in light solidifying rapid prototyping technology. It includes stock solution groove and peristaltic pump which is interlinked with the stock solution groove and controlled by the computer. The peristaltic pump is interlinked with the spray head laid according to the point by the pipeline. Cylinder body and piston fitted tightly to the cylinder body and controlled by the computer are set right under the spray head. Kick plate, transducer connected to the kick plate, and supersonic generator controlled by the computer are set the position at which the up end of the piston and the opening of the cylinder body are in the same horizontal plane. The invention adopts the piston type worktable, saves resin; and it will not disturb the resin in the resin groove in the lifting process of the worktable, this can ensure the stability of the liquid surface and realize precision coating. The complement of the resin is adopted the peristaltic pump which can precisely control the flow quantity, complemented with fixed quantity by the spray head laid according to the point, then flattened the complemented resin by the supersonic coating kick plate. The thickness of the coating can reach 0.02 millimeter if The invention discloses adopted.

The invention relates to a small perturbance stratified substrate sludge in-situ sampler used for collecting deposits in water and a sampling method thereof. The sampler consists of a C-shaped inner tube, a C-shaped outer tube, an outer tube conical head, an inner tube handle, an outer tube handle and an inflatable plug, wherein the outer tube and the inner tube are sleeved together and are respectively formed by fixedly connecting a plurality of sections; the inner tube can be rotated by the inner tube handle at the top so as to superpose or close C-shaped openings of the inner tube and the outer tube. The inner tube is firstly rotated so as to close the C-shaped opening when substrate sludge is fetched; the inner tube is rotated so as to open the C-shaped opening after being inserted by a predetermined depth, and then the inner tube and the outer tube are rotated after being inclined by a small angle together so as to rotate the substrate sludge into the inner tube. Then the inflatable plug is put on the sludge surface and is inflated; the inner tube is rotated to close the C-shaped opening; finally, the inner tube and the outer tube are lifted from the water and laid on the ground for stratified sampling. The invention has small perturbance to the substrate sludge, does not change stratified and physical properties of the substrate sludge, has light weight, portability, convenient operation and wide generalization and application values and , is suitable for sampling work of substrate sludge of hydraulic reclamation yards of river and lake.

The embodiment of the invention provides a photographing method and a photographing device, applied to a mobile terminal comprising an infrared lamp and a camera. The method comprises the steps of opening the infrared lamp, and collecting a preview image via the camera; determining a light measurement area of the preview image, and computing an exposure brightness value according to the light measurement area; and adjusting luminous intensity of the infrared lamp according to the exposure brightness value and a preset target brightness value, and taking a photo via the camera. According to themethod and the device provided by the embodiment of the invention, the photographing effect of the mobile terminal under high and low light conditions can be improved.

The invention provides a cage-shaped filler type device for treating beer waste water in an anaerobic-anoxic-aerobic mode and a method for treating bear waste water by using the device. The device comprises a water storage tank, a high-mounted water tank, a lifting pump, an ABR (anaerobic baffled reaction) tank, an anoxic reaction tank, an aerobic reaction tank, a plurality of cage-shaped fillers and an aerating apparatus; the water storage tank is arranged at one side of the ABR tank; the lifting pump is arranged in the water storage tank; the high-mounted water tank is arranged above the water storage tank; the high-mounted water tank is connected with a water inlet of the ABR tank by a pipeline; the anoxic reaction tank is arranged at one side of the ABR tank; the aerobic reaction tank is arranged at one side of the anoxic reaction tank; the anoxic reaction tank and the aerobic reaction tank are connected by an overflow pipe; and the cage-shaped fillers are arranged in the ABR tank, the anoxic reaction tank and the aerobic reaction tank. By using the method for treating beer waste water by using the device, high COD (chemical oxygen demand) removing rate, SS (suspended solid) removing rate and ammonia nitrogen removing rate and excellent impact-resistant loading ability are achieved; in addition, the whole device is simple in structure, low in treating and building costs, convenient to manufacture and beneficial to the waste water treatment of breweries in different scales.

The invention discloses a conductive paint composition, which comprises the following parts: conductive particle, resin and solvent, wherein the resin is alcohol-soluble resin; the solvent is alcohol solvent. The invention also provides a making method of the conductive paint combination, which has weak corrosiveness for base, therefore not incurring base explosion.

The invention discloses a device and method for building a trench slope gravity erosion process field test. The device comprises an outdoor test room, trench slope geography, a rainfall simulation device and a gravity erosion observation device. The outdoor test room comprises an outdoor test room body capable of being assembled and a movable rainproof observation room body placed inside the outdoor test room body. The trench slope geography is a generalization slope cut in a field according to typical geomorphic features of a studied area. The generalization slope is separated from the surrounding through steel sheet pile side walls. The rainfall simulation device comprises components including a three-barrel pressure-stabilizing water feeder, a movable assembling multi-micro-spraying-nozzle combined type rainfall device, a water collecting groove and the like. The gravity erosion observation device comprises a geography instrument main machine, a movable assembling slumping face observation support and a sight line calibrator. According to the device and method for building the trench slope gravity erosion process field test, a good observation environment is created for observation of a geography instrument through the test room, the main building components are all assembling movable facilities, the simulation and observation devices can not be disturbed, and observation accuracy is guaranteed.

The invention relates to the field of underwater acoustic transducer measurement and in particular belongs to the range of acoustic parameter measurement of an underwater acoustic transducer under thehigh hydrostatic pressure so that an accurate measurement realization problem of the acoustic parameters of an underwater acoustic transducer under the high hydrostatic pressure can be solved. In order to overcome defects in measurement using the hydrophone, the invention puts forward an acoustic performance measurement method of an underwater transmitting acoustic transducer under a high hydrostatic pressure. According to the method provided by the invention, in a light-transmitting pressure water tank, measurement is carried out by using an optical method to obtain a particle vibration velocity value of a specific position in a far field of a radiation sound field of the transducer; calculation is carried out to obtain a sound pressure measurement value at the position; and then acoustic parameters like a sending voltage response level and an acoustic source level of the underwater acoustic transducer under the high hydrostatic pressure are obtained. With the method provided by theinvention, no standard hydrophone or measurement hydrophone is needed; and because the method is a non-contact measurement method, no disturbance is caused on the sound field.

This invention relates generally to a monitoring system of a material transfer vehicle. The present invention can be applied in weighing a load of the vehicle and in monitoring physical stability of the vehicle. The material transfer vehicle may be e.g. a wheel loader, a forklift, an excavator, a dumper, a forwarder, a harvester, a crane, a passenger hoist, a timber jack, or a truck such as a fire truck, a forklift truck, a pallet truck, a reach truck, or a garbage truck. The object of the invention is met by a solution, wherein a material transfer vehicle has at least one sensor for weighing and at least one sensor for measuring acceleration and / or angle of the vehicle or part of the vehicle in order to compensate the weighing data. In the inventive system a same part is used for both weighing a load of the carrying means and for monitoring a risk of overturning.

The invention relates to a ultrasonic plane wave scanning-type multi-phase flow visual measurement apparatus. An ultrasonic plane wave with an adjustable direction of an ultrasonic phased array probeis emitted to scan a to-be-detected area. The ultrasonic plane wave scanning-type multi-phase flow visual measurement apparatus comprises an ultrasonic phased array, an ultrasonic plane wave generation and control unit, an ultrasonic emission unit, an ultrasonic signal acquisition and processing unit, and a data demodulation unit, a phase distribution reconstruction and display unit. The ultrasonic phased array is a combination of M groups of ultrasonic phased array probes which are uniformly distributed at a same cross section position of a to-be-detected, and each group of the phased array probe comprises N ultrasonic array elements. After each group of the ultrasonic phased array probe can respectively emit the ultrasonic plane wave to other group of the ultrasonic phased array probe, an adjacent next group is switched for excitation, and the above scanning test process can be repeated.

The invention discloses a soil moisture meter embedding device and embedding method. The device comprises a mounting cylinder, a ramming plate and an operation rod, which can be mounted on the mounting cylinder and can be also mounted on the ramming plate, wherein the operation rod is mounted right above the mounting cylinder so as to form a mounting device; and the operation rod is mounted right above the ramming plate so as to form a rammer; and the method comprises the following steps of: (1) drilling of an embedding hole; (2) water-proof treatment of a data wire joint; (3) mounting of a soil moisture meter: feeding the soil moisture meter to the bottom of the embedding hole by the mounting device and then inserting a probe into a detected soil body downward by using the operation rod; and (4) backfilling of the embedding hole: backfilling the embedding hole in a layered way; and after each layer is backfilled, ramming the backfilled soil body by the rammer. The soil moisture meter embedding device disclosed by the invention has the advantages of simple structure, simplicity and convenience in operation, good use effect and convenience in promotion and application; the soil moisture meter can be accurately mounted to the detected soil layer through drilling the hole; and the real moisture content variation situation of the detected soil layer can be accurately reflected by the soil moisture meter.

The invention relates to a column type extraction device for pipe bundle multi-channel phase-dispersing; a main shaft is arranged inside the column type extraction device; two or at least three hollow thin tubes in parallel to the main shaft are distributed on the outer circumference of the main shaft; one end of each hollow thin tube is provided with a straight tube, and the other end of the hollow thin tube is bent to form a flanged bend; the bending direction of the flanged bend is the remote direction of a mounting shaft; the main shaft is connected with an electric motor, and drives the hollow thin tubes to carry out motion at a same speed with the main shaft when the main shaft rotates. The column type extraction device disclosed by the invention solves the difficult problems that a water phase or an oil phase with relatively small volume is difficult to disperse completely in the conventional mechanical stirring manner when the volume ratio of the water phase to the oil phase in an extraction process is large; and the difficult problems that the water phase and the oil phase are difficult to clarify and separate in an extraction system and the like caused by easy emulsification are also solved when the flow-rate ratio of the water phase to the oil phase is large.

The invention discloses a crude oil electro-desalting dehydrator which solves the problem that the conventional crude oil electro-desalting dehydrator has smaller electrical field space formed in a tank body and higher drainage crude oil content. An electrode in the tank body (1) is horizontally provided with three layers of planar electrode plates which are sequentially an upper layer planar electrode plate (21), a middle planar electrode plate (22) and a lower layer planar electrode plate (23) from top to bottom. A side electrode plate is arranged between the side edges of the same side at which the upper layer planar electrode plate and the lower layer planar electrode plate are arranged. The distance between the middle planar electrode plate and the lower layer planar electrode plate is greater than the distance between the upper layer planar electrode plate and the middle planer electrode plate; and the distance from the side electrode plate to the inner wall of the tank body increases from top to bottom. The crude oil electro-desalting dehydrator can be used for refineries of oil fields and petroleum processing industries and carries out the electro-desalting and dehydration on the crude oil (mainly heavy crude oil).

The invention discloses an antitheft door / window for automatic alarming, and belongs to the technical field of security weak current. The antitheft door / window for automatic alarming comprises a central processing unit module, wherein the central processing unit module is connected with an infrared emitting device, a camera set, a data storage module and a power supply module through leads; all devices are mounted on the door / window; and a wireless fidelity module can enable the central processing unit module to communicate with a network for sending photos stored in the data storage module to the network, a computer or a mobile phone; and an identity identifying module is connected with the central processing unit module for reading user identity identifying information and transmitting the information to the central processing unit module to stop the work of the camera set. The antitheft door / window for automatic alarming can perform the silent prewarning and the wireless transmission, and can pre-warn all suspicious persons before the door prizing.

The invention provides a visualized flow field and temperature field coupling measurement experiment system. With the visualized flow field and temperature field coupling measurement experiment systemof the invention adopted, the visual measurement of the characteristics of a flow field and temperature field in a complex mechanical structure under different experimental conditions can be simultaneously realized. According to the system of the invention, laser induced fluorescence (LIF) and particle image velocimetry (PIV) are combined to construct a reasonable optical path system; a series ofoptical components such as a beam splitter and a narrow pass filter are adopted to perform wave division processing on light wave signals; a synchronizer is adopted to control a high-speed camera toperform synchronous shooting, so that the synchronous acquisition of the temperature distribution and flow characteristic parameters of a complex flow field in a visualization experiment body can berealized; a modular loop design is adopted, each sub-loop is independent of each other, and therefore, the reliability of the experimental system is high; and whole-field real-time synchronous measurement can be performed on physical parameters in the complex flow field, and an actual flow field will not be disturbed during a measurement process. The system is suitable for the study of the flow characteristics of various complex flow fields.

The invention provides a sludge double-sleeve continuous sampling device. The sludge double-sleeve continuous sampling device comprises a sleeve head, an outer sleeve, an inner sleeve, a taper bit and a check pipe, and is characterized in that the sleeve head is in threaded connection with the outer sleeve, the lower part of the outer sleeve is in threaded connection with the taper bit, the inner sleeve is mounted in the outer sleeve, and the lower part of the inner sleeve is in threaded connection with the check pipe. Compared with the prior art, the sludge double-sleeve continuous sampling device used for sampling sludge has the following advantages and beneficial effects that the device is simple to assemble and convenient to carry, is capable of quickly, conveniently and accurately taking samples of different depths from sludge stack bodies without the requirement of to digging out sampling sections, directly stores the collected sludge in the inner sleeve and keeps the collected sludge in the shapes of intact columns, so as to maximally avoid cross contamination existing in the process of sample collection and storage.

The invention discloses an updated heavy oil desalting and dewatering device. The device is composed of an electrical desalting tank, a transformer and a high-voltage electronic joint device, an oil inlet main pipe, oil inlet branched pipes and flow regulating valves, wherein an upper electric field in the electrical desalting tank consists of at least one electric field unit and adopts the multiple electric field distribution technology of single power supply, each electric field unit consists of a drip tray, a live electrode, a grounding electrode, an oil inlet nozzle, a backwashing device and a down pipe; and a fast dewatering and draining device consists of a V-shaped drip tray, a backwashing device and a down pipe, a backwashing nozzle and the bottom surface of the drip tray forms an inclination, the top of the down pipe is connected with the bottom of the drip tray, and the other end is inserted in the water layer of the electrical desalting tank. The field intensity of the upper electric field of the device is optimized, fast dewatering and draining can be ensured, the desalting efficiency is increased; and the updated heavy oil desalting and dewatering device is suitable for the deep desalting and dewatering treatment of crude oil, particularly heavy crude oil, fuel oil and other heavy oil products.

The invention discloses a large-diameter composite butt and strap joint rainwater pipe system and a construction method. The rainwater pipe system comprises rainwater pipes, wherein the bottoms of therainwater pipes are located and fixed by two bases; a plain concrete cushion layer and a flexible cushion layer are sequentially paved on the lower surfaces of the bases; the upper surfaces of the rainwater pipes are pressed and locked by an arc-shaped lock; the upper surfaces of the rainwater pipes are covered by cellular concrete and the upper sides are back-filled with plain soil; and the construction method comprises the following construction steps: construction preparation, construction layout, pipe trough excavating, cushion layer construction, batten fixed tightening latch pre-buring,pipe base installation, rainwater pipe installation, separated butt and strap mold installation, applying cement mortar to the butt and strap, butt and strap maintenance, calking groove treatment, installing vertical supporting ribs and the like. The structure (the rainwater pipe system) provided by the invention is convenient to mount and dismount; the rainwater pipes can be located with high precision; the rainwater pipes, which are free from disturbance in a butt-joint process, are good in stability; and the butt and strap are good in waterproofing effect and can adapt to rainwater and sewage pipelines that foundation soil is relatively poor, foundation hardness is uneven or located in earthquake areas; therefore, relatively good economic and technical benefits are achieved.

The invention discloses an automatic elevating apparatus and method of an aeration tube of a floating aerator, and belongs to the technical fields of water restoration and water treatment. The apparatus comprises a slide rail fixed on a floating aerator floating body, slidable mechanical arms are arranged at the top feet of the slide rail, the bottom foot of every mechanical arm is provided with a slidable aeration branch tube, a rope of a pulley group mechanism pulls a large fixed pulley fixed above the mechanical arm slide rail, the large fixed pulley coaxially drives a small fixed pulley having a certain ratio relative to the large fixed pulley to rotate, and the small fixed pulley controls the top feet of the X-shaped mechanical arms to move apart or close up, so a case that a rising or descending distance of the aeration branch tubes driven by the X-shaped mechanical arms is almost same to a distance of a weight moving closer to the water level is realized, and a gas conveying flexible tube is synchronously retracted or released by a gas conveying tube telescoping mechanism. The apparatus and the method allow the aeration tubes to be positioned in specific positions above the riverbed, reduce the disturbance to riverbed sediments and improve the oxygen charging efficiency.

The invention discloses a high-sensitivity fiber Bragg grating strain sensor based on flexible hinges. The high-sensitivity fiber Bragg grating strain sensor comprises an elastic strain substrate and a fiber Bragg grating cluster, wherein the elastic strain substrate comprises a transverse beam, an elastic strain unit, a fixed end and displacement amplification mechanisms; two ends of the transverse beam are connected with the fixed end through the elastic strain unit respectively, so that a temperature compensation mechanism is formed; the displacement amplification mechanisms are symmetrically distributed at upper and lower sides of the transverse beam along the transverse axis; the fiber Bragg grating cluster comprises a strain measurement grating and a temperature compensation grating; the strain measurement grating is located at a longitudinal axis position of the elastic strain substrate and is mounted on two longitudinal displacement arms; two ends of the temperature compensation grating are located at a transverse axis position of the elastic strain substrate and the temperature compensation grating is mounted on the transverse beam. The high-sensitivity fiber Bragg grating strain sensor based on the flexible hinges has the advantages of great strain sensitivity, simple and small structure, high reliability, easiness of being mounted and capability of effectively eliminating temperature drift, and is suitable for high-precision strain measurement of a small measurement range in all mechanical structures.

The invention relates to a funnel fire extinguishing system and a fire extinguishing method.When a fire breaks out in a tunnel, a start button is pressed, or a compressed air foam gun automatically finds a fire area and is automatically started, or a worker remotely starts the compressed air foam gun, a system controller starts a compressed air foam generation device and switches on partition control valves, water flow is automatically adjusted, foam liquid and gas flow can be automatically adjusted according to water flow, compressed air foam is formed and a foam gun in a field worker handheld box is aligned to the fire area for fire exchanging, or the compressed air foam gun is automatically aligned to the fire area for jet fire extinguishing, or the worker remotely controls the compressed air foam gun to be aligned to the fire area for jet fire extinguishing.After fire extinguishing, a system restores the initial state under normal conditions.The problems that the fire extinguishing mode of an existing fire extinguishing technology in the tunnel is single, the fire extinguishing efficiency is low and safe evacuation of staff is not easy are solved.Fire extinguishing efficiency of the system is guaranteed.

The invention discloses an internal combustion type camping wood-burning oven. The oven comprises an outer drum, a heat insulation drum and a combustion drum, wherein a plurality of first air inlets are formed in the drum wall on the upper part of the outer drum; the heat insulation drum is positioned in the outer drum; a plurality of second air inlets are formed in the drum wall on the upper part of the insulation drum; the combustion drum is positioned in the heat insulation drum; the top of the combustion drum is positioned below the second air inlets and is connected with the inner wall surface of the heat insulation drum in a sheathing way; the upper part of the heat insulation drum and the upper part of the outer drum form a dual-layer fire head cover. According to the internal combustion type camping wood-burning oven, the dual-layer fire head cover is formed by the drum walls of the upper parts of the outer drum and the heat insulation drum. Compared with the fire head cover in the prior art, the fire head cover provided by the invention has the advantages that due to the fact that a dual-layer structure integrated with the oven body is adopted, and the air inlets are formed in each layer, external air can enter the fire head cover, and meanwhile due to the fact that the dual-layer structure has better wind-preventing and heat-keeping effects, the air flow of the external air does not disturb flame in the fire head cover, and concentration of the flame is guaranteed, and a container can be effectively heated.

The invention discloses an in-situ measurement system and method for spatial distribution of spin polarizability of an alkali metal atom magnetometer, and belongs to the technical field of precision measurement. The system is mainly composed of a laser, a laser stabilizing system, a laser beam expanding system, a beam splitting prism, a polarization element, a magnetic shielding system, an alkali metal atom gas chamber, a photoelastic modulator, a photoelectric detector, a CMOS sensor, a data collecting, analyzing and processing system and the like. The system has reasonable theoretical basis and simple experimental operation, no additional system disturbance is brought to normal operation of the magnetic measurement system, the electron polarizability distribution of the working state of the alkali metal atom gas chamber can be accurately measured, the measurement sensitivity of the atom magnetometer can be improved on the basis of the polarizability distribution measurement result, and a basis is provided for development of an ultra-high-sensitivity extremely-weak magnetic measurement device.

The invention provides a swimming pool cleaning device, and belongs to the technical field of swimming pool cleaning devices. The device comprises a shell, a movable shell cover and a water suction assembly, wherein the shell comprises a mounting cavity and a filtering cavity, a water inlet is formed in the bottom of the filtering cavity, the movable shell cover is arranged on the shell in a turnover mode, a sealing cover is arranged on the movable shell cover, a water suction cavity is formed between the movable shell cover and the sealing cover, a water inlet hole and a mounting joint are arranged on the sealing cover, the water inlet hole communicates with the filtering cavity, a water discharging opening is formed in the movable shell cover, the water discharging opening communicates with the water suction cavity, the water suction cavity discharges water through the water discharging opening, the water suction assembly is arranged in the mounting cavity, the water suction assemblyis connected with the water suction cavity through the mounting joint, and the water suction assembly is used for enabling water to enter the water suction cavity from the filtering cavity. The device has the beneficial effects that the structure is ingenious and reasonable, production and assembly are convenient, and the dirt cleaning capacity is high.

The invention provides a constant temperature fresh-keeping device comprising a cold storage liner. The cold storage liner is internally provided with a fruit and vegetable box shelf component, and afresh-keeping chamber is arranged below the fruit and vegetable box shelf component, and comprises an air duct cover plate and a drawer component; the air duct cover plate is fixed to the inner rear side wall of the cold storage liner, and a thermostatic control component is arranged above the drawer component, and comprises a cold storage material holder which is internally provided with cold storage materials; and an inner cavity of the drawer component can be subjected to thermostatic control through the thermostatic control component. According to the constant temperature fresh-keeping device provided by the invention, through the circulation process that the cold storage materials absorb and release cold continuously, the temperature fluctuation of the fresh-keeping chamber is reduced, and the fresh-keeping effect is improved; the water loss of food is reduced while the temperature fluctuation of the fresh-keeping chamber is reduced; and the food freshness is maintained. The constant temperature fresh-keeping device provided by the invention is simple in structure and easy to install, and the cold storage materials are easy to replace, and has no disturbance to airflow in thefresh-keeping chamber of an air-cooled refrigerator.

The invention discloses a rotating integration valve, which comprises a driving mechanism having an output shaft and a valve plate assembly having a rotary shaft. The output shaft is in power connection with the rotary shaft, the valve plate assembly comprises a lower fixed valve plate, an upper fixed valve plate, and a moving valve plate arranged therebetween, the right end surface of the lower fixed valve plate is provided with m ring grooves having the same axis with the rotary shaft, each groove is provided with a joint hole penetrating to the left end surface of the fixed valve plate, the moving valve plate is provided with a plurality of penetrating switch holes communicating with the m grooves, the upper fixed valve plate is provided with n penetrating liquid discharging flow passages distributed on m circumferences having the same axis with the rotary shaft, wherein m and n are natural numbers not less than 2, and one circumference is provided with at least two liquid discharging flow passage and adjacent liquid discharging flow passages are partitioned by vacancies. The rotating integration valve can integrates a plurality of valves, and can realize the on-off and switch control for the fluid path.

The invention discloses a multi-user multi-access communication transmitting and receiving method based on weighted-type fractional Fourier transform and relates to the field of communication. According to the methods, resource sharing among multiple users is realized, and moreover, an influence of partial fading is guaranteed to be reduced in a transmission process of each user transmitting signal. According to the methods, a TDMA (Time Division Multiple Access) mode is employed, and weighted-type fractional Fourier transform synthesis modules are introduced at transmitting ends of the multiple users. Weighted-type fractional Fourier transform is carried out on signals to generate four signals, thereby obtaining two time domain signals and two frequency domain signals. Mathematical constraint relationships exist among the signals. When certain signal fades seriously, the signal information can be recovered through other branch signal components. A time delay adjustment module is introduced before the system transmits the signals. Time delay adjustment is carried out on two generated signal components. The two signal components are guaranteed to be received by a receiving end at the same time. Parameters for controlling the time delay adjustment are fed back to the transmitting end by the receiving end. The methods are applicable to a signal transmitting occasion.

The invention discloses a dynamic sounding device, comprising a shelf bracket, wherein the shelf bracket is provided with a probe rod device in a penetrating way; the shelf bracket comprises three legs, the ends of the three legs are connected in a foldable way, and the bottom of each leg is provided with scales; a sleeve is arranged among the three legs, and the three legs are respectively connected with the sleeve via a beam which is rotatable and foldable; and the probe rod device comprises a probe rod and a heavy punch, the probe rod is fixed with a support, the bottom of the probe rod is conical, the probe rod is arranged in the sleeve in a penetrating way, and the heavy punch is arranged above the support and is arranged on the probe rod in a penetrating way. The dynamic sounding device of the invention is easy for operation, the problems that the traditional sounding device is complex for operation and sounding time is long are avoided, and no disturbance on the original road bed is caused.

The invention discloses a particle analyzer as well as a liquid path system and a waste liquid discharging method thereof. The liquid path system of the particle analyzer comprises a sheath liquid supply module used for supplying sheath liquid, a waste liquid receiving module used for receiving waste liquid, a sample supply module provided with a sampling needle and used for collecting and supplying samples, a flowing chamber used for flowing of the sheath liquid carrying samples, and a washing module, wherein the flowing chamber is provided with a sample inlet, a sheath liquid inlet and a waste liquid outlet; the sample inlet is communicated with the sampling needle; the sheath liquid inlet is communicated with the sheath liquid supply module; the waste liquid outlet is communicated withthe waste liquid receiving module through a first waste liquid pipe; the washing module is communicated with the sheath liquid feeding module through a first washing pipe so as to wash the outer wallof the sampling needle; the washing module is communicated with the waste liquid receiving module through a second waste liquid pipe so as to discharge the waste liquid of the washing module out of the waste liquid receiving module. The particle analyzer using the liquid path system is high in signal detection stability.